I have a full waste tank and the electric drain valve won't open. How do I use the manual override.

When I press the button I hear what sounds like a motor running but the valve does not open. I saw an arrow point to a manual button and a 1/8" allen wrench. How does that work, which way do I turn it, how many times. the instructions are non existent for this situation. The valve is 12 years old I think.

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Answers

According to the instruction manual linked below the manual override is on the back of the valve. Double Sided manual override with hex head. Allen Wrench is provided with the valve – secured on the back of the valve. Make sure you install your valve with easy access to the manual override. Should you ever lose power to your RV, you can open/close the valve manually. Just locate the provided 1/8” Allen Wrench on the back of the valve, insert wrench in the hex head opening, the words open/close with directional arrows will show you which way is open and which way is closed. There will be resistance when turning as you are overriding a safety clutch. Turn until shaft stops. When convenient, check and correct electrical problems. (A stripped override caused by excessive use is not covered under warranty.) Below is also a link to some trouble shooting that you might want to also look at. If you are still having issues you may contact Drain Master 877-787-8833 at they have a great tech department that will be able to help. Hope this helps.